|
Match
|
Document |
Document Title |
|
|
4897352 |
Acrylate based adsorbent resin for the immobilization of enzymes
Enzymes are immobilized on macroporous hydrophilic polymer beads by adsorption. The polymer beads are cross-linked, acrylate-based resins containing pendant hydroxy groups. The resins contain...
|
|
|
4894339 |
Immobilized enzyme membrane for a semiconductor sensor
A membrane containing an immobilized enzyme for a semiconductor sensor is prepared containing a water soluble photosensitive resin including a high molecular weight polyvinyl pyrrolidone...
|
|
|
4888288 |
Vesicles resistant to enzyme lysis and use thereof in an enzyme assay
Liposomes are formed from compounds including a phosphonate or phosphinate group instead of a phosphate group. The liposomes bind to enzymes, such as a phospholipase, and such liposomes containing...
|
|
|
4886836 |
Activated medium with low non-specific protein adsorption
A porous chemically activated medium having a low affinity for peptide group-containing materials is provided comprising a porous polymeric medium having a low affinity for peptide group-containing...
|
|
|
4876288 |
Carrier material for immobilization of microorganisms
Carrier material for the immobilization of microorganisms, particularly for use in connection with microbiological conversion and/or separation of constituents from gaseous or liquid media, is...
|
|
|
4871671 |
Immobilization of biological cells in polytetrafluoroethylene matrix
Articles which are composite structure are prepared which comprise a fibrillated polytetrafluoroethylene (PTFE) matrix containing enmeshed and immobilized therein viable cells capable of their...
|
|
|
4857461 |
Continuous process for the enzymatic preparation of isomaltulose
The present invention relates to a continuous process for the enzymatic preparation of isomaltulose. A periplasmatic sucrose-mutase is produced by fermentation of microorganisms which form...
|
|
|
4849357 |
Method for the preparation of a hydrophobic enzyme-containing composition and the composition produced thereby
A enzyme-containing solid composition is prepared by a process comprising removing the solvent from a mixture of a water-soluble enzyme, a water-insoluble metal salt of a fatty acid and an organic...
|
|
|
4843105 |
Process for the preparation of filler-containing, antionically modified polyurethane (urea) compositions, the polyurethane (urea) compositions so-obtained, and the use thereof
The invention is directed to the formation of filler containing anionically modified polyurethane (urea) compositions by reacting suitable polyurethane (urea) forming ingredients in the presence of...
|
|
|
4833081 |
Bioreactor having cells in beads in a matrix
A biochemical reactor including a vessel, a support material matrix in the vessel and particles containing cells entrapped within the matrix is disclosed. In this manner, biological cells that are...
|
|
|
4828997 |
Apparatus and process for producing gel beads of microbial cells or enzymes
Gel beads of microbial cells or enzymes enclosed in gels are produced by forming a surface liquid stream of a gelling agent flowing from the center toward the peripheral wall of a vessel containing...
|
|
|
4820634 |
Immunoassay method and immunoreactive cell reagent
Immunoassay which can be performed within a short period of time and a reagent composition for such immunoassay. The reagent composition contains complement and cells which contain quantitatively...
|
|
|
4814274 |
Production process of encapsulated bodies
Encapsulated bodies are produced by bringing a fluid, which is to form the cores of the encapsulated bodies, and a solution, which has ability to form gel skins upon contact with the fluid, into...
|
|
|
4814270 |
Production of loaded vesicles
Vesicles having a material encapsulated therein are produced by placing an "empty" vesicle in a liguid including a material to be encapsulated and perturbing the vesicle, preferable by passage...
|
|
|
4808529 |
Enzymes immobilized on polyamides or cellulose hydrate
Proteins such as enzymes are attached directly to a polyamide or cellulose hydrate carrier. Attachment can be carried out by impregnation of the carrier with a protein solution. The carrier can be...
|
|
|
4801463 |
Continuous cheese-making process utilizing an immobilized rennet enzyme reactor
Cheese is made continuously by flowing milk through a spiral flow path of a reactor containing an immobilized enzyme such as rennet which coagulates the milk. The spiral flow path is formed by a...
|
|
|
4801529 |
Methods for isolating mutant microoganisms using microcapsules coated with indicator material
A method is disclosed for isolating a mutant microorganism. The method includes the following steps: (1) separately microencapsulating individual or small numbers of a microorganism population...
|
|
|
4800160 |
Process and apparatus for producing immobilized enzyme granules
Enzyme-containing granules are produced by forming drops of a gellable enzyme-containing liquid with a rotating disc and bringing the drops in contact with a gelling solution. The disc is...
|
|
|
4800162 |
Method for resolution of steroisomers in multiphase and extractive membrane reactors
This invention relates to the resolution of racemic mixtures of optically active compounds, including but not limited to the stereochemical purification of chiral organic esters, amides, carboxylic...
|
|
|
4798786 |
Living cells encapsulated in crosslinked protein
Living cells are encapsulated by: (a) dispersing living cells in an aqueous solution of a capsule wall-forming protein; (b) forming aqueous droplets of the cell containing dispersion in an...
|
|
|
4797358 |
Microorganism or enzyme immobilization with a mixture of alginate and silica sol
A microorganism or enzyme is mixed with an alginate and a silica sol in the presence of water to obtain a liquid mixture having a pH of 3 to 10 and containing an alginate concentration of 0.5 to...
|
|
|
4795704 |
Multiphase asymmetric membrane reactor systems
A catalyst such as an enzyme is contained in an asymmetric membrane between two immiscible liquid streams. A catalytic reaction is carried out by introducing a reactant to one stream and removing a...
|
|
|
4791061 |
Immobilization of microorganisms by entrapment
Microorganisms such as in activated sludge are immobilized by forming a mixture containing the microorganisms, a monomer or prepolymer and alginic acid or water soluble alignate, and dropping the...
|
|
|
4789550 |
Microcapsule composition suitable for cardiovascular injection
Perfectly spherical, smooth and uniform microcapsules, which may contain living cells, are produced having a diameter less than 700 μm, e.g. 150 to about 500 microns, by employing an electrostatic...
|
|
|
4774178 |
Immobilization of biological material within a polymer matrix
Biological material such as microorganisms is immobilized by polymerizing in the presence of the biological material a readily soluble polyetherpolyol having some hydroxyl groups esterified with...
|
|
|
4767707 |
Immobilization of enzymes with a water-soluble glycidyl ether
Enzymes are immobilized by mixing the following components with one another in aqueous solution: (a) an enzyme or a dispersed microorganism, (b) a water-soluble glycidyl ether, prepared by...
|
|
|
4764467 |
Preparation of an insoluble biocatalyst
An insoluble biocatalyst is prepared by forming a mixture consisting essentially of the biocatalyst, one or more water-soluble compounds having two or more acrylamide or meth-acrylamido groups and...
|
|
|
4757008 |
Enzyme immobilization in a macroporous non-ionic resin
Enzyme-containing microbial cells are contacted with a macro-porous non-ionic resin under reduced pressure below atmospheric to cause the cells to become incorporated into pores of the resin. The...
|
|
|
4756831 |
Process and apparatus for removal of nitrate from surface and ground water, in particular drinking water
Process for recovering nitrate from surface and ground water, in particular drinking water, by means of biological denitrification, in which the nitrates contained in the water are reduced to...
|
|
|
4756834 |
Phase supports for the partition chromatography of macromolecules, a process for their preparation and their use
Phase supports are disclosured for the partition chromatography of macromolecules. The phase supports are composed of non-adsorptive base support particles which are insoluble in the phase system...
|
|
|
4746435 |
Biochemical process for purifying contaminated water
A process for treating contaminated water containing BOD sources and nitrogen sources, which comprises supplying oxygen or oxygen-containing gas from one side of a gas-permeable membrane to grow...
|
|
|
4744933 |
Process for encapsulation and encapsulated active material system
Capsules are formed herein a liquified core while avoiding capsule core gelation by adding drops of a solution of either an anionic polymer composition or a cationic polymer composition to a...
|
|
|
4745059 |
Process for the preparation of L-phenylalanine
L-Phenylalanine can be prepared using microorganisms belonging to the series comprising E. coli, Paracoccus denitrificans, Torula, Rhodotorula or Streptomyces after adaptation to phenylpyruvic...
|
|
|
4743545 |
Hollow porous microspheres containing biocatalyst
Biocatalyst such as enzymes or cells are immobilized in hollow porous microspheres for use as bioreactors in biochemical processes. The microspheres are of substantially uniform diameter of 200 to...
|
|
|
4732851 |
Immobilization of cells with a polyazetidine prepolymer
A composition comprising immobilized cells obtained by applying a dispersion of cells and curable prepolymer material selected from the group consisting of polyazetidine prepolymers, carboxymethyl...
|
|
|
4728611 |
Production of phenylalanine with immobilized cells
Phenylalanine is produced by contacting cells having transaminase activity with phenylpyruvic acid or phenylpyruvate in the presence of an amine donor. The cells may be ruptured or permeabilized to...
|
|
|
4727030 |
Preparation of porous polyvinyl alcohol gel containing an immobilized enzyme
A porous gel containing an immobilized enzyme is prepared by mixing an aqueous solution of polyvinyl alcohol having a saponification degree of not lower than 95 mol% and an average polymerization...
|
|
|
4722865 |
Poly(meth)acrylic network coated biologically or chemically active substrate and method of making same
A solid substrate, which contains or consists of a biologically or chemically active substance, is coated with coating material containing at least one polymerizable crosslinkable polyfunctional...
|
|
|
4710467 |
Process for preparing phenylalanine
Phenylalanine is prepared by contacting phenylpyruvic acid or phenylpyruvate with an enzyme having transaminase activity in the presence of an amine donor. The enyzme may be free or immobilized or...
|
|
|
4708932 |
Method and device for biospecific affinity reactions
An improved process of performing analysis methods based upon biospecific affinity reactions in heterogeneous systems, wherein a ligand dissolved in a liquid is reacted with a receptor immobilized...
|
|
|
4696286 |
Coated transplants and method for making same
Transplants, such as pancreatic islets, are made suitable for transplantation into a genetically dissimilar individual by coating the transplant with a surface-conforming bonding bridge layer of a...
|
|
|
4695548 |
Gel inserts useful in electrophoresis
Gel inserts comprising a solidified liquid such as agarose suitable for use in an electrophoretic method, lysed cells entrapped within a matrix formed by the solidified liquid and macromolecules...
|
|
|
4689301 |
Transparent polyurethane foam wall
The invention relates to a transparent polyurethane foam wall optionally containing microorganisms, and a process for the preparation thereof, and the use of this wall in a biophotoreactor. This...
|
|
|
4686243 |
Copolymer, a process for its preparation and its use as enzyme supports
A porous, bead-like copolymer which can be employed to excellent effect for the fixation of enzymes is obtained by suspension polymerization of monomeric oxiranylalkyl compounds and/or...
|
|
|
4686098 |
Encapsulated mouse cells transformed with avian retrovirus-bovine growth hormone DNA, and a method of administering BGH in vivo
Recombinant DNA constructs having an avian retroviral long terminal repeat (LTR) ligated to the bovine growth hormone gene, were co-transformed into a mammalian cell (mouse) culture in order to...
|
|
|
4681851 |
Biologically active composition for purifying waste water and outgoing air
Waste water and/or outgoing air are purified by contact with a polyurethane hydrogel containing surface active coal, a polymer having cationic groups and cells having enzymatic activity and being...
|
|
|
4670387 |
Fermentative production of isomaltulose
Isomaltulose is produced by a process in which at least the isomaltulose-forming enzyme system of an isomaltulose-forming micro-organism is immobilized and then the immobilized enzyme system is...
|
|
|
4670386 |
Cancer tests using tumor antigen generated lymphokines and compositions
The present invention provides strongly antigenic tumor-specific substances (also cellular material containing said strongly antigenic tumor-specific substances) prepared by radiofrequency or...
|
|
|
4663286 |
Encapsulation of materials
A core material such as viable cells is encapsulated by gelling an alginate polymer with a polyvalent cation to form shape-retaining gelled masses containing the core material, expanding and...
|
|
|
4663163 |
Modified polysaccharide supports
A modified polysaccharide material which comprises: (1) polysaccharide covalently bonded to a synthetic polymer; (2) the synthetic polymer being made from (a) a polymerizable compound which is...
|